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About the role

This is a hands-on position where you will need to use your analytical skills to find solutions to business problems and improve our customers’ experience. This could include personalised communications for customers, improving our stock management models, better marketing effectiveness, maximising customer lifetime value and reducing customer churn.

On any day, depending on your expertise and your learning objectives, you could be building models in the cloud for automation of decision-making across the business or optimising processes for key business objectives; defining project expectations with internal or external stakeholders; or conducting deep-dive exploratory analysis to inform strategic decision-making. Throughout your work you would keep our customers as the focus of all analysis.

There’s a strong emphasis on learning and development time with each team member having allocated time for investigating a specific area of data of interest to them.

Based in Welywn Garden City, Slough or other Tesco offices including London, you may be required to travel to other Tesco Mobile or supplier sites. In particular there is a regular team meeting (every 2 weeks), normally in Slough or London at which you will be required to attend.

You will be responsible for

• Responsible for building, validating, optimising and managing basic models and data pipelines
• Responsible for relevant parts of the data science lifecycle including documentation and security considerations
• Analysis of diverse data using statistical methods to make recommendations to improve customer experience and business results
• Identify improvements in own work and develop own skills
• Good understanding and use of our internal dataset
• Working collaboratively within my team and project group to knowledge share and get the best possible outcome.

You will report into the Head of Data Science, work within the Data Science chapter alongside our Data Scientists, collaborate closely with our Data Analysts and work outside the chapter in product squads as appropriate.

You will need

• Intermediate SQL, Python and basic PySpark coding skills with a good understanding of standard coding practices.
• Database experience
• Code optimisation and standard software development skills such as writing tests for code
• Ability to reframe ambiguous business questions with help into solvable form.
• Can clearly articulate ideas with non-technical language and tell a simple story to non technical audience
• Demonstrate good listening skills to understand the needs of my stakeholders and customers.
• Can independently and constructively review others' work and can challenge decisions in a positive way

About us

A 50-50 joint venture between Tesco and Telefónica O2 that was established back in 2003, Tesco Mobile has gone from strength to strength as we’ve launched into new services and markets. With more than 5 million customers, we’re the largest mobile virtual network operator in the UK. We’re proud to have an inclusive culture that’s uniquely Tesco Mobile, with a strong sense of community, plus all the benefits of working for one of the shareholders.

We care for human connection and we keep our customers at the heart of everything we do, which is why we’ve embraced the Agile way of working. Agile is more than just a methodology – it’s a liberating journey that puts customers and purpose first. It empowers us to self-organise, collaborate, co-create and rapidly inspect and adapt everything we do – allowing us to respond at pace to our customers’ needs. It encourages variety of thought and enables us to thrive, both individually and collectively.

We pride ourselves on being a company where everyone’s welcome and truly feels able to be themselves. We not only celebrate diversity but recognise the value and opportunity it brings in helping us to serving our customers, communities and planet a little better every day. We strive to build a workforce that reflects our customers, not only here in the UK, but worldwide. In offering many varying working patterns across our business, our aim is to attract a diverse range of applicants from all walks of life. If you’re as passionate as we are about providing the best customer experience, we’d love to hear from you.

We have recently announced that we will be moving towards a more blended working week – combining office and remote working. Our base will be the office, where we connect, collaborate and innovate – and there will be the expectation for everyone to be in the office more often than not. For Head Office roles we therefore expect colleagues to spend a proportion of their time at our offices.

We are supportive of colleagues having conversations with hiring managers about what office presence will look like in the context of the role.

What’s in it for you

We offer excellent benefits that help make Tesco a great place to work. These include but aren’t limited to:

• Annual bonus scheme
• Holiday starting at 25 days plus a personal day (plus 8 Bank holidays)
• On-site state of the art gym at our Welwyn Campus with discounted “Gympass” membership & free health checks via Nuffield Health
• Retirement savings plan - save between 4% and 7.5% and Tesco will match your contribution
• Life Assurance - 5 x contractual pay
• Share Schemes – Join our ‘Buy As You Earn’ & ‘Save As You Earn’ share schemes after 3 months service
• Colleague Clubcard (including a 2nd card for a family member) after 3 months service
• Colleague Discounts:
  • 10% increasing to 15% after every pay day for a four day period, off most purchases at Tesco
  • 10% off One Stop
  • 10% off pay monthly & SIM only deals with Tesco Mobile
  • 20% off all F&F purchases
  • 20% off car, pet and home insurance at Tesco bank. T&C’s apply
  • 10% off Tesco Café
  • 50% off complete glasses purchases & free eye tests (other offers available) at Vision Express
  • 50% off health checks at Tesco Pharmacy
• An exclusive deals and discounts website saving you money on everyday purchases, treats for the family, eating out and utility bills for the home
• Cycle to work scheme
• Shuttle Bus Service to/from Welwyn Garden City Station to Welwyn Campus
• Opportunities to get on - take advantage of our ongoing learning opportunities and award-winning training, to help you achieve the job and career you want
• Our Employee Assistance Programme helps you deal with life’s challenges
• Financial wellness - Tesco has partnered with experts to help you make the most of your money
• Get involved in a range of fundraising activities with our long-term charity partners